[Bug 222061] New: [REGRESSION 7.1.8 -> 7.2] Strix Halo HDMI 1080p black after login (kwin framebuffer EINVAL). Full report on drm/amd#5893

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=222061

               URL: https://gitlab.freedesktop.org/drm/amd/-/work_items/58
                    93
            Bug ID: 222061
           Summary: [REGRESSION 7.1.8 -> 7.2] Strix Halo HDMI 1080p black
                    after login (kwin framebuffer EINVAL). Full report on
                    drm/amd#5893
           Product: Drivers
           Version: 2.5
    Kernel Version: 7.2.6 (works on 7.1.8; 7.2.7 not tested)
          Hardware: AMD
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: miguel@miguelmesa.com
        Regression: Yes

Pointer only. The full report, hardware, and the isolation table are here:

https://gitlab.freedesktop.org/drm/amd/-/work_items/5893

Strix Halo iGPU (Radeon 8060S, PCI 1002:1586, DCN 3.5), single HDMI-A-1 at
1920x1080. Kernel 7.1.8 works (Display Core v3.2.378). Kernels 7.2.0 through
7.2.6 leave Plasma and Hyprland black immediately after the greeter. The
greeter and a TTY still work. Log line: kwin_wayland_drm: Failed to create
framebuffer (EINVAL). The LTS kernel did not restore the desktop. This is not
the 7.2 4K YCbCr 4:2:0 HDMI regression (drm/amd#5720, #5743).

Please track the bug on the drm/amd issue above.

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